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Chemistry: 12 - Acids And Bases > Definitions > Flashcards

Definitions Flashcards

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1
Q

Define Arrhenius’ definition of an acid

A

Arrhenius Definition: An acid is a substance that dissociates in water to produced H+ ions

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2
Q

Define Arrhenius’ definition of a strong acid

A

Arrhenius Definition: a strong acid is a substance that almost completely dissociates in water to give hydrogen ions.

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3
Q

Define Arrhenius’ definition of a weak acid

A

Arrhenius definition: a weak acid is a substance that only slightly dissociates in water to give hydrogen ions.

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4
Q

Define Arrhenius’ definition of a base

A

Arrhenius definition: A base is a substance that dissociates in water to produce OH- ions.

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5
Q

Define Arrhenius’ definition of a strong base

A

Arrhenius definition: a strong base is a substance that almost completely dissociates in water to give hydroxide (hydroxyl) ions.

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6
Q

Define Arrhenius’ definition of a weak base

A

Arrhenius definition: A weak base is a substance that only slightly dissociates in water to give hydroxide ions.

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7
Q

Define the Brønsted–Lowry definition of an acid

A

Brønsted–Lowry definition: an acid is a proton donor

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8
Q

Define the Brønsted–Lowry definition of a base

A

Brønsted–Lowry definition: a base is a proton acceptor

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9
Q 
Define the Brønsted–Lowry definitions of the following: 
strong acid
weak acid 
strong base 
weak base
A 
Brønsted–Lowry definitions:
A strong acid is a good proton donor.
A weak acid is a poor proton donor.
A strong base is a good proton acceptor.
A weak base is a poor proton acceptor.
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10
Q

Define: What an acid changes into when it donates a proton

A

an acid changes into its conjugate base when it donates a proton

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11
Q

Define: What a base changes into when it accepts a proton

A

a base changes into its conjugate acid when it accepts a proton

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12
Q

Define a conjugate acid-base pair (conjugate pair)

A

A conjugate acid-base pair (conjugate pair) is any pair consisting of an acid and a base that differ by one proton.

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13
Q

Define a salt

A

A salt is the substance formed when the hydrogen ion from an acid is replaced by a metal or an ammonium ion.

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14
Q

Define neutralisation

A

Neutralisation is the reaction between an acid and a base to form a salt and water

acid + base —> salt + water

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Chemistry: 12 - Acids And Bases (7 decks)

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